diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi
index 5e91dc1d2b9b..94932c51b7e3 100644
--- a/arch/riscv/boot/dts/thead/th1520.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520.dtsi
@@ -411,6 +411,17 @@ uart3: serial@ffe7f04000 {
 			status = "disabled";
 		};
 
+		i2c1: i2c@ffe7f24000 {
+			compatible = "thead,th1520-i2c", "snps,designware-i2c";
+			reg = <0xff 0xe7f24000 0x0 0x4000>;
+			interrupts = <45 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clk CLK_I2C1>, <&clk CLK_PERI_APB_PCLK>;
+			clock-names = "ref", "pclk";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		gpio@ffe7f34000 {
 			compatible = "snps,dw-apb-gpio";
 			reg = <0xff 0xe7f34000 0x0 0x1000>;